Wonderful!!! If you have a Hobby Lobby near by, they sell marbly blended solids that I have fallen in love with!!! Here is an example...
http://shop.hobbylobby.com/store/ite...?ItemId=147933
http://shop.hobbylobby.com/search/de...entName=Fabric
It comes in all colors, green, yellow, orange, red, black, blue, purple, etc. :)